[boost] Re: [test] CHECK_EQUAL and problem with class constants

From: Gennadiy Rozental (gennadiy.rozental_at_[hidden])
Date: 2005-01-13 12:26:48

"Jody Hagins" <jody-boost-011304_at_[hidden]> wrote in message
news:20050113121604.1f0f6ed0.jody-boost-011304_at_atdesk.com...
>
> Consider this simple example...
>
>
> #include <boost/test/test_tools.hpp>
>
> struct Foo
> {
>   static unsigned int const x = 10;
> };
>
> int test_main( int, char* [] )  // note the name!
> {
>     BOOST_CHECK_EQUAL(10U, Foo::x);
>     return 0;
> }
>
>
>
> At least under gcc, I get a linker error, unable to find Foo::x, while
> the following code works fine...
>
>
> int test_main( int, char* [] )  // note the name!
> {
>     BOOST_CHECK(10U == Foo::x);
>     return 0;
> }

I remember very similar issue with MPL constants. I consider this a compiler
bug and it could (and should) be workaround on struct Foo implementation
level (did you try to use enum?)

Gennadiy